.reg{
  width: 100%;
  height: 100vh;
  background: url('../../assets/img/jiedao.webp') no-repeat;
  background-size:100% 100%;
  background-attachment:fixed;
  overflow: hidden;
  .reg-mian{
    padding: 80px;
    margin-top: 120px;
    opacity: 0.8;
    .reg-but{
      display: flex;
      margin-top: 20px;
      margin-bottom: 20px;
    }
  }
}